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Date(s) - 12/10/2016
12:00 am
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Chapter 13: Earth, Moon, and Beyond
Vocabulary
- Sun: The star at the center of our solar system p. 400
- Rotate: To spin on an axis p. 400
- Axis: An imaginary line that passes through Earth’s center and its North and South Poles p. 400
- Revolve: To travel in a closed path around another object p. 402
- Orbit: The path one body takes in space as it revolves around another body p. 402
- Equator: An imaginary line around Earth equally distant from the North and South Poles p. 402
- Moon: Any natural body that revolves around a planet p. 408
- Crater: A low, bowl-shaped area on the surface of a planet or moon p. 408
- Moon phase: One of the shapes the moon seems to have as it orbits Earth p. 411
- Eclipse: An event that occurs when one object in space passes through the shadow of another object in space p. 412Compare and contrast the Earth and the Moon.
Earth: larger size, stronger gravity looks blue from space
Liquid water and green forests
The Moon: smaller size, weaker gravity, looks gray from space, no liquid water or green forests
Both: rocky, fairly dense, make of same elements, craters
